The magical kaleidascope

Do you recall seeing these images when you were a child? The kaleidascope used to be one of my favorite toys. To me, as a child, looking into a kaleidascope was like looking into a magical world. The construction of this toy is so simple, yet the many images, which one kaleidascope can produce, are so complex and fascinating. During a visit to Bali last year, I saw a delicate kaleidascope which